diff --git a/src/main.rs b/src/main.rs
index 281ca80..6e24a7c 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -25,10 +25,18 @@ impl City {
         self.prices[house.y * SIZE + house.x]
     }
 
+    pub fn get_price_xy(&self, x: usize, y: usize) -> u16 {
+        self.prices[y * SIZE + x]
+    }
+
     pub fn is_house(&self, house: &House) -> bool {
         self.get_price(&house) > 0
     }
 
+    pub fn is_house_xy(&self, x: usize, y: usize) -> bool {
+        self.get_price_xy(x, y) > 0
+    }
+
     pub fn get_house_count(&self) -> usize {
         self.buyable_house_count
     }
@@ -72,13 +80,13 @@ fn main() {
                 let x = rng.gen_range(0..SIZE);
                 let y = rng.gen_range(0..SIZE);
                 let house = House::new(x, y);
-                if city.is_house(&house) && !reachable[y * SIZE + x] {
+                if city.is_house_xy(x, y) && !reachable[y * SIZE + x] {
                     for y in (house.y as i32 - 500).max(0)..=(house.y as i32 + 500).min((SIZE - 1) as i32) {
                         for x in (house.x as i32 - 500).max(0)..=(house.x as i32 + 500).min((SIZE - 1) as i32) {
                             let index = y as usize * SIZE + x as usize;
                             if !reachable[index] {
                                 reachable[index] = true;
-                                if city.is_house(&House::new(x as usize, y as usize)) {
+                                if city.is_house_xy(x as usize, y as usize) {
                                     claimed_houses += 1;
                                 }
                             }